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ISSN: 2666-6472

Ageing studies on AP/HTPB based composites solid propellants

Components of solid rocket motor that are susceptible to ageing are propellant, insulator, inhibitor, interfaces, igniter system, and seals. Seals, insulator, ignition systems are replaceable but the...

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Recent advances on the crystallization engineering of energetic materials

The safety properties and desirable detonation performance of energetic materials (EMs) are mutually exclusive, therefore, various strategies including the coating, doping, crystallization, and co-crystallization,...

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Potential energetic salts of 5,5′-methylenedi(4H-1,2,4-triazole-3,4-diamine) cation: Synthesis, characterization and detonation performance

1,2,3-Triazole and 1,2,4-triazole have been vigorously used in energetic materials research. Among these two, 1,2,4-triazole has been a widely used backbone in designing new energetic materials with...

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Successful development of HAN based green propellant

Research and development of Hydroxyl Ammonium Nitrate based liquid propellant; SHP-163 is reviewed. Starting from the composition selection of the propellant to the development of 1 ​N thruster of Green...

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Review on the laser-induced performance of photothermal materials for ignition application

Laser ignition has been widely studied, and is regarded as a potential initiation technique in pyrotechnics owing to its simple ignition sequence, good safety, high ignition consistency, and strong...

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A review of quantum chemical methods for treating energetic molecules

As a necessary tool for understanding, prediction, and design (especially on a microscopic scale), Quantum chemical (QC) methods have a profound impact on the field of energetic materials (EMs). This...

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Review of the phonon calculations for energetic crystals and their applications

The phonon is one of the most important elementary excitation in solid system, as a gene related to the thermal properties and chemical stability of energetic materials. This paper reviews the molecular...

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N-amination of nitrogen-rich scaffolds: From single N–N bond formation to diverse energetic functionalization strategies

The bond-formation strategy associated with carbon and nitrogen atoms is one of the most vital fundamental techniques in the construction of organic molecules. In comparison to well-established methodologies...

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Strategies for constructing melt-castable energetic materials: A critical review

Melt-castable energetic materials are utilized in a wide variety of civilian and military applications, such as construction, demolition, underwater blasting, mining, oil well perforation, and military...

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Trigger linkage mechanism: Two or multiple steps initiate the spontaneous decay of energetic materials

The trigger linkage mechanism is usually employed to describe the spontaneous decay of energetic materials (EMs) when they are sufficiently stimulated. Based on this mechanism, large numbers of correlations...

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Synthesis, characterization, and crystal structure of 2-oxo-5-nitro-3-(5-nitroimino-1,3,4-oxadiazole-2-yl)-pyrazine

A novel and green energetic compound, 2-oxo-5-nitro-3-(5-nitroimino-1,3,4-oxadiazole-2-yl)-pyrazine, was designed and prepared in this study. It was identified and characterized using X-ray single-crystal...

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A heat-resistant and insensitive energetic material based on the pyrazolo-triazine framework

One of the major challenges in the field of energetic materials is to develop explosive molecules with high detonation performances and low mechanical sensitivity. In this work, a heat-resistant and...

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Solubility behaviour of CL-20 and HMX in organic solvents and solvates of CL-20

2,4,6,8,10,12-Hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20) and 1,3,5,7-tetranitro-1,3,5,7-tetrazoctane (HMX) are promising cocrystal coformers, but only little solubility data are available....

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Advancements in mechanical Raman spectroscopy for applications in energetic materials

This paper aims to provide a detailed review of the fundamentals and applications of mechanical Raman spectroscopy in the field of energetic materials. Firstly, the principle behind mechanical Raman...

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Development of an infrared laser absorption sensor for non-intrusive gas temperature measurements

Energetic materials have extremely high volumetric and specific energy densities, making them attractive and important in combustion systems. To improve their combustion performance, reliable temperature...

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Chemical interplay between components in overall thermolysis of CL-20/N2O revealed by ReaxFF molecular dynamics simulations

Understanding of the interplay reactions between components in CL-20 bicomponent crystals is fundamental for synthesis and applications of new CL-20 cocrystals and host-guest materials. This paper reports...

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Determination of nucleation kinetics from the induction time of 1,1-diamino-2,2-dinitroethylene (FOX-7) in DMSO/Water

Elucidation of the crystal nucleation process can provide guidance for controlling crystal size and quality. To understand the nucleation process of 1,1-diamino-2,2-dinitroethylene (FOX-7), the induction...

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Multi-parallel microfluidic recrystallization and characterization of explosives

A multi-parallel recrystallization system based on microfluidic technology was established for rapid recrystallization-condition screening and small-batch preparation of high-quality explosives. The...

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An ultrafast temperature response analysis of a MEMS-based igniter using the finite-element method

This study reports the simulation and experiments of a MEMS-based igniter for a semiconductor bridge (SCB), which is fabricated using complementary metal oxide semiconductor technology. The finite-element...

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Combination of 1,2,3-triazole and 1,2,4-triazole frameworks for new high-energy and low-sensitivity compounds

In this study, a series of energetic compounds based on C–C linked 1,2,3-triazole and 1,2,4-triazole were synthesized and characterized, i.e., 5-(5-nitro-2H-1,2,3-triazole-4-yl)-4H-1,2,4-triazole-3,4-diamine...

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Molecular perovskites as a new platform for designing advanced multi-component energetic crystals

Molecular perovskite energetic crystals, as an emerging family of promising practicable energetic materials, have attracted increasing attentions in the past few years. Different from the mainstream...

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Experimental study on hypergolic ignition and non-ignition for dicyanamide-based ionic liquids at low impact velocity conditions

Ionic liquids have a wide engineering application foresight due to their easy and safe storage and handling while are limited by the unclear mechanism of hypergolic ignition. In this study, three dicyanamide-based...

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High-pressure structural stability and melting performance of α-2,4-dinitroanisole

Energetic materials have to face variable environments throughout their life cycle. Therefore, revealing the evolvement of energetic materials under complex conditions is of great importance for their...

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Catalytic properties of CuO–Cr2O3–PbO ternary nanocomposites favorable for the pyrolysis of ammonium perchlorate

In this study, CuO–Cr2O3–PbO ternary nanocomposites (TNCs) with different atomic ratios of Cu:Cr:Pb (5:2:8, 5:4:6, 5:6:4, 5:8:2) were synthesized by means of efficient mechanical milling. As confirmed...

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Thermal interactions between hybrid HMX/ANPyO cocrystals and commonly used propellant ingredients

Nitramine-based composite propellants (N-CPs) are receiving significant attention in the field of solid rocket propulsion. Cyclotetramethylene tetranitramine (HMX)/2,6-diamino-3,5-dinitropyridine-1-oxide...

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